HYUNDAI TSB23-01 Technical Service Bulletin Instruction Manual

HYUNDAI TSB23-01 Technical Service Bulletin Instruction Manual

SUBJECT: VCU UPDATE AND OWNER’S MANUAL SUPPLEMENT (CAMPAIGN 9A1)

This TSB supersedes TSB 23-01-067H to include 2023-2024MY Ioniq 6 (CE1) vehicles.

* IMPORTANT

Dealers must perform this Service Campaign on all affected vehicles prior to customer retail delivery and whenever an affected vehicle is in the shop for any maintenance or repair.

Access the “Vehicle Information” screen via WEBDCS to identify open campaigns.

Description: This updated Vehicle Control Unit (VCU) software package includes the following:

• Brake light logic update for regenerative braking.
• i-Pedal mode operation logic update.
• 12V battery saver logic update allows charging from EV Battery as low as 10% SOC when parked. The Ioniq 5 update includes these earlier items that Ioniq 6 had included from start of production:
• EPB (Electronic Parking Brake) auto engagement when shift into Park/auto disengagement shift out of Park when shifting to D or R while brake pedal is engaged.
• DTE (Distance to Empty) strategy.
• Snow road surface performance.
• Air conditioning performance during AC slow charging.
• Enhance charging sequence.

An “Owner’s Manual Supplement” leaflet is to be provided to 2022MY Ioniq 5 vehicle customers to explain the change to the Electronic Parking Brake (EPB) system.

NOTE: 2023MY Ioniq 5 (NE1) vehicle Owner’s Manual already contains the EPB supplement content. Ioniq 6 (CE1) vehicles do not need a supplement.

Applicable Vehicles (Certain):

• 2022-2023MY Ioniq 5 Electric (NE1) vehicles produced from 10/04/2021 to 07/19/2023
• 2023-2024MY Ioniq 6 Electric (CE1) vehicles produced from 12/14/2022 to 08/21/2023

NOTICE

This service campaign can only be performed at IONIQ certified dealers.

GDS Information:

• or select the latest available Event # that displays in GDS.

Circulate To: Service Manager, Warranty Manager, Service Advisors, Technicians, Fleet Repair

Parts Information:

Warranty Information:

NOTE 1: Submit claim on Claim Entry Screen as “Campaign” type.

NOTE 2: If a part is found in need of replacement while performing this campaign and the affected part is still under warranty, submit a separate claim using the same repair order. If the affected part is out of warranty, submit a Prior Approval request for goodwill consideration prior to performing the work.

NOTE 3: This TSB includes Repair validation photos. Op times include VIN, Mileage and Repair validation photos as outlined in the Digital Documentation Policy.

Service Procedure:

1. For 22MY Ioniq 5 Vehicles only: Attach the Owner’s Manual Supplement (EPB) leaflet listed in the Parts Information section on top of the Repair Order. Inform the Service Advisor to explain and provide it to the customer.

2. Perform the VCU Update in Auto Mode.
   a) Use the Auto Mode ID Check to verify the VCU ROM ID before updating the software.
   
   b) After the ECU Upgrade process shows 100% complete, cycle the ignition key to OFF for at least 10 seconds to reset the control unit.
   c) Take a screenshot of the ECU Update complete screen and upload to STUI.
   

3. Perform an All Systems Fault Code search and erase the history of the DTC that had incidentally occurred from the ECU update.

4. Start the vehicle in Ready mode to confirm a proper operation of the vehicle.

ROM ID Table:

Manual Mode Password:

TSB #: 23-01-067H-1

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